Examine source code of Grape - Housepets comic

{
  "theme": {
    "images": {
      "theme_frame": "headergrape.jpg"
    },
    "colors": {
      "frame": "#6804ba",
      "tab_background_text": "#9326ff"
    }
  },
  "version": "2.0",
  "name": "Grape - Housepets comic",
  "manifest_version": 2,
  "description": "A grape themed Persona.\nGrape is a character from a online web comic that you can read here:\n<a href=\"https://outgoing.prod.mozaws.net/v1/fd5e257844563ca3393e7ecb2bb6db76f3327eeca3b8dd0133297eb965b02d2d/http%3A//www.housepetscomic.com/\" rel=\"nofollow\">http://www.housepetscomic.com/</a>"
}